MFS HIGH YIELD MUNICIPAL TRUST - Common Stock (CMU)

Historical Holders from Q1 2014 to Q3 2025

Symbol
CMU on NYSE
CUSIP
59318E102
Type / Class
Equity / Common Stock
Shares outstanding
25.5M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
12.2M
Holdings value
$42.4M
% of all portfolios
0.001%
Grand Portfolio weight change
+0%
Number of holders
38
Number of buys
21
Number of sells
-11
Average Value change %
+0%
Average buys %
+0%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of MFS HIGH YIELD MUNICIPAL TRUST - Common Stock (CMU)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Bulldog Investors, LLP 14.25% +8.77% $12.6M $1M 3.63M +8.63% Phillip Goldstein Nov 12, 2025
RIVERNORTH CAPITAL MANAGEMENT, LLC 10.12% +32.6% $8.92M $2.3M 2.58M +34.7% RIVERNORTH CAPITAL MANAGEMENT, LLC Sep 30, 2025
Almitas Capital LLC 5.9% $5.23M 1.51M Almitas Capital LLC Sep 30, 2025
CITY OF LONDON INVESTMENT MANAGEMENT CO LTD 4.8% $3.97M 1.23M City of London Investment Management Company Limited Mar 31, 2025
SIT INVESTMENT ASSOCIATES INC 4.1% -47.5% $3.62M -$3.31M 1.05M -47.8% Sit Investment Associates, Inc. Sep 30, 2025

Institutional Holders of MFS HIGH YIELD MUNICIPAL TRUST - Common Stock (CMU)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 12.2M $42.4M +$964K $3.47 38
2025 Q2 12M $39.9M -$476K $3.33 38
2025 Q1 12.1M $42.4M +$3.55M $3.49 39
2024 Q4 11.1M $39.1M +$6.44M $3.52 42
2024 Q3 9.22M $33.8M +$971K $3.67 47
2024 Q2 8.98M $30.8M +$677K $3.43 52
2024 Q1 8.78M $29.2M -$921K $3.33 51
2023 Q4 8.91M $29.5M -$4.16M $3.31 49
2023 Q3 10.7M $33.5M +$3.96M $3.13 49
2023 Q2 9.43M $30.4M +$4.02M $3.22 48
2023 Q1 8.17M $26.2M +$3.17M $3.21 46
2022 Q4 7.22M $22.6M +$4.46M $3.13 46
2022 Q3 5.78M $17.4M +$1.63M $3.01 42
2022 Q2 5.23M $17.6M +$2.91M $3.36 44
2022 Q1 4.4M $17M +$3.98M $3.87 38
2021 Q4 3.37M $15.2M +$2.22M $4.52 35
2021 Q3 2.85M $13.1M +$3.29M $4.59 34
2021 Q2 2.13M $10.1M -$2.09M $4.75 29
2021 Q1 2.6M $11.6M +$1.25M $4.46 33
2020 Q4 2.29M $10.1M +$1.92M $4.40 33
2020 Q3 1.86M $7.79M -$599K $4.20 29
2020 Q2 2M $8.17M +$469K $4.07 28
2020 Q1 1.89M $7.99M -$602K $4.22 26
2019 Q4 2M $9.53M -$892K $4.73 30
2019 Q3 2.19M $10.3M -$548K $4.69 32
2019 Q2 2.3M $10.9M -$1.69M $4.73 27
2019 Q1 1.96M $9.13M -$287K $4.65 27
2018 Q4 2.05M $8.54M -$6.9K $4.17 36
2018 Q3 1.92M $8.75M -$690K $4.55 31
2018 Q2 2.03M $9.17M +$237K $4.51 30
2018 Q1 1.93M $8.61M +$497K $4.45 26
2017 Q4 1.83M $8.47M +$1.76M $4.62 29
2017 Q3 1.2M $5.69M -$1.99M $4.75 27
2017 Q2 1.66M $7.81M -$391K $4.70 29
2017 Q1 1.75M $8.07M +$99.1K $4.62 27
2016 Q4 1.73M $7.64M +$1.05M $4.42 24
2016 Q3 1.49M $7.51M +$204K $5.07 26
2016 Q2 1.47M $7.23M +$1.36M $4.92 29
2016 Q1 1.18M $5.71M -$869K $4.82 26
2015 Q4 1.38M $6.22M +$991K $4.51 27
2015 Q3 1.11M $4.86M -$269K $4.37 27
2015 Q2 1.17M $4.83M +$347K $4.11 29
2015 Q1 1.11M $4.9M -$1.6M $4.43 28
2014 Q4 1.47M $6.47M -$455K $4.39 34
2014 Q3 1.75M $7.58M -$1.71M $4.34 29
2014 Q2 1.97M $8.52M -$652K $4.32 26
2014 Q1 2.12M $9.38M -$108K $4.41 21